26Internal Revenue102006-04-012006-04-01falseExclusion of certain income from sources within Guam, American Samoa, or the Northern Mariana Islands.1.931-1Section 1.931-1Internal RevenueINTERNAL REVENUE SERVICE, DEPARTMENT OF THE TREASURY (CONTINUED)INCOME TAX (CONTINUED)INCOME TAXESPossessions of the United States§ 1.931-1Exclusion of certain income from sources within Guam, American Samoa, or the Northern Mariana Islands.